Gneiss Railway Ballast from Germany
Metamorphic gneiss crushed to AREMA #4 ballast specification for mainline railway track support. Provides excellent lateral stability under HTS 2517.10.00 railway ballast provision. Banded appearance from mineral layering.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Railway engineering certification linking to specific track projects strengthens classification
• Foliation plane analysis ensures proper crushing orientation for strength
• Avoid thin banding; weak lamination risks construction rejection